Subtract 63/84 from 6/12
6/12 - 63/84 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Subtract the two like fractions:
42/84 - 63/84 = 42 - 63/84 = -21/84 - After reducing the fraction, the answer is -1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-63/84 18/12-63/84 6/36-63/84 30/12-63/84 6/60-63/84 42/12-63/84 6/84-63/84